Gallery: The amazing images that illustrate an incredible night

WHAT’S THE CURRENT STATE OF PLAY:

The Belgians themselves are second, with Israel and Cyprus locked on nine points.

Then come Bosnia (they could be the biggest threat to Wales) on eight after they defeated Israel on the same evening.

The top two teams automatically qualify for the finals in France, with the third side going into the play-offs against a third-placed side from another pool.

Wales don’t want to be in those play-offs, too much history there with Russia.

Every team has played six, with four games to go each. Chris Coleman’s pre-tournament plan at this stage was to be in the top three and in contention.

It has gone better than he, his players, the Welsh media or the fans could possibly have contemplated.

“We are top of the league,” as the fans chanted at Cardiff City Stadium.

So what happens next?

Watch the video everybody is talking about! That spine-tingling anthem

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LOOKING PRETTY GOOD THEN, ISN’T IT?

Absolutely. In fact it couldn’t be much better. It really couldn’t.

It’s not just about how brilliant Wales have been, also that top seeds Bosnia botched up so terribly early on by inexplicably losing at home to Cyprus and crashing 3-0 in Israel.

Hard to remember, isn’t it, that Bosnia are actually the top seeds in this group, with the star-studded Belgians having been drawn from the second pot?

But that was indeed the case when the Euro draw was first done.

Our brilliance, coupled with Bosnian woes, have put us in an unbelievably good position.

(Image: David Davies/PA Wire)

SO WHO HAVE WE GOT LEFT TO PLAY?

The games left in the group take place simultaneously in a back to back manner on dates set aside in September and October.

Wales’ next fixture is Cyprus away on September 3, followed by Israel at Cardiff City Stadium three days on.

Then it’s Bosnia away on October 10, followed by Andorra at home on October 13.

THE KEY QUESTION THEN... WHAT DO WE ACTUALLY HAVE TO DO TO QUALIFY?

The mathematics are still complicated, when aren’t they? But put simply, if Wales win those next two fixtures - and they could well do - and Bosnia fail to win in Belgium, again likely, then we are definitely in France.

No ifs, buts, maybes .... the passage to the finals will have been definitely secured. OFFICIAL

By winning in Cyprus and defeating Israel, Wales would go to 20 points. That would mean Israel and Cyprus could only reach 18 points at best.

Even if Bosnia draw in Brussels, the maximum total they could then reach from their last three games would also be 18.

So Wales would be in the finals, with Belgium almost certainly joining them from Group B.

(Image: Reuters / Rebecca Naden)

AND IF BOSNIA WIN IN BELGIUM?

Even then, by winning their own September matches, Wales would pretty much be OK.

If Bosnia defeat Belgium and also take maximum points from their other games, the most they could get to would be 20.

Wales would already be on that tally, meaning a draw at home to Andorra would be enough. It would also mean Belgium could only get to 20 points themselves and because Wales have the better head-to-head results against them that would stand Coleman's side in good stead.

Happy days.

WHAT IF WE DON’T WIN THE SEPTEMBER GAMES?

Well that’s feasible and why the mathematics make it hard to work out. But even if Wales were to lose the next three games - Cyprus (away), Israel (home), Bosnia (away) they have a get out of jail free card at home to Andorra.

That would take them to 17 points and in truth that could well be enough, anyhow.

Remember, the Wales doomsday scenario would be based on us losing and the other sides collecting close on maximum points hauls, but they have to play each other anyhow so something has to give.

Bosnia and Israel each have to visit Belgium, while Cyprus also play them. The Belgians are likely to win most of those games.

Israel also meet Cyprus, while the Cypriots take on Bosnia at home in their last match.

SO WHO ARE THE REALISTIC MAIN THREATS?

Well Belgium, obviously. Despite beating them the other night, let’s take it as read Belgium will qualify. They may well win their four games, which would give them a 23-point finally tally.

Next, even though they are having to come from way behind, will be the Bosnian threat. After four matches they stood on just two points, including a draw away to Wales, and seemed down and out already.

But they sacked their coach and won their next two fixtures, 3-0 in Andorra, 3-1 at home to Israel, to haul themselves back up into some sort of contention.

Bosnia will expect to beat us and Andorra at home, plus Cyprus away, taking them up to 17 points. But realistically they’d also have to defeat Belgium away to have a realistic hope of pipping Wales.

And even then, they’d have to hope Wales lose to at least one of Cyprus or Israel next time out.

SO WHAT’S THE BEST CASE SCENARIO?

Simple. We win the next two matches, Bosnia fail to overcome Belgium. That’s it.... we’re there.

AND THE WORST CASE?

I suppose that we fail to defeat either Cyprus or Israel, lose in Bosnia... and Bosnia also win in Belgium. Even by beating Andorra, that would leave us short of 20 points, meaning Belgium and Bosnia could pip us. We’d still be in the play-offs, though.